Soutènement de toit de mine ou similaire,申请号FR19630955709-传众专利搜索

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发明名称	Soutènement de toit de mine ou similaire
摘要
申请公布号	FR1375639(A)	申请公布日期	1964.10.16
申请号	FR19630955709	申请日期	1963.12.02
申请人	GULLICK LIMITED	发明人
分类号	E21D23/00;E21D23/08	主分类号	E21D23/00
代理机构		代理人
主权项
地址

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